Avro and Green collapse hours after Ofgem warns thousands of customers will have to move supplier.
It comes after one industry group warned shoppers could start noticing gaps on shelves within days.
The princess and her daughter are "doing well" and the Queen is "delighted", Buckingham Palace says.
Boris Johnson says market forces should be "very swift" in resolving issues caused by recent gas price increases.
Shares in On Holding jumped by almost 46% on their first day of trading in New York.
The move comes as Instagram is facing fresh scrutiny over its impact on young people's wellbeing.
Bills are spiralling in several countries and Spain agrees emergency measures to help consumers.
Snakes owe their success in part to the asteroid impact that killed off the dinosaurs 66 million years ago.
Plane maker expects global aviation to take another two and a half years to recover.
Millions of children around the world are being offered a Covid vaccine.